ECS Resource Group
IDMS Database Administrator (DBA)
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Location: Remote (UK)
Contract: 6 months initial (extensions could be up to 36 months)
Start Date: ASAP
We are currently hiring for an experienced IDMS Database Administrators (DBAs) to support a large-scale, business-critical mainframe environment for a UK-based enterprise client.
This is an opportunity to work within a highly skilled team, maintaining and optimising legacy systems that underpin core business operations. You will play a key role in ensuring the stability, performance, and security of IDMS database environments.
As an IDMS DBA, you will be responsible for:
- Administering and maintaining CA IDMS environments, including installation, configuration, upgrades, and patching
- Monitoring IDMS regions to ensure high availability and performance
- Managing IDMS-DC (Data Communications) environments and resolving communication issues
- Supporting application teams working with ADS and COBOL, including development and deployment activity
- Designing and maintaining schemas and subschemas, ensuring data integrity and efficient database structures
- Monitoring database performance, identifying bottlenecks, and implementing tuning improvements (buffers, indexing, storage)
- Managing backup, recovery, and journaling processes, ensuring minimal downtime and data loss
- Troubleshooting incidents, conducting root cause analysis, and implementing long-term fixes
- Enforcing security controls and ensuring compliance with governance and regulatory requirements
- Maintaining clear documentation and supporting knowledge sharing across teams
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We are looking for candidates with:
- 5+ years’ experience working as an IDMS DBA in large enterprise or mainframe environments
- Strong expertise in: CA IDMS, IDMS-DC, ADS (Application Development System) COBOL
- Proven experience with schema and subschema design and maintenance
- Strong background in performance monitoring and tuning
- Experience with backup, recovery, journaling, and disaster recovery planning
- Hands-on experience with database restructure activities (unload/reload/reorg)
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Key Technologies:
CA IDMS, IDMS-DC, ADS, COBOL, JCL, TSO/ISPF, performance monitoring tools (e.g. PMDC), backup and recovery utilities
What we’re looking for:
- Strong analytical and problem-solving capability
- Ability to manage multiple priorities in complex environments
- Clear communication skills with both technical and non-technical stakeholders
- Understanding of mainframe security, access control, and governance
- Experience working within structured environments (e.g. ITIL, ServiceNow)
This is a strong opportunity for an experienced IDMS DBA to secure a very long-term contract working on critical enterprise systems, with the potential for extended engagement and meaningful technical impact.
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